dscho
23 years ago
parent
682027413c
commit
b2253e3657
@ -0,0 +1,182 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <rfb.h>
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#include <keysym.h>
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#include "radon.h"
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int maxx=400, maxy=400, bpp=4;
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/* odd maxx doesn't work (vncviewer bug) */
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/* Here we create a structure so that every client has it's own pointer */
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/* turns the framebuffer black */
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void blank_framebuffer(char* frame_buffer, int x1, int y1, int x2, int y2);
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/* displays a red bar, a green bar, and a blue bar */
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void draw_primary_colors (char* frame_buffer, int x1, int y1, int x2, int y2);
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void linecount (char* frame_buffer);
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/* handles mouse events */
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void on_mouse_event (int buttonMask,int x,int y,rfbClientPtr cl);
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/* handles keyboard events */
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void on_key_press (Bool down,KeySym key,rfbClientPtr cl);
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int main (int argc, char **argv)
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{
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int i;
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rfbScreenInfoPtr server;
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rfbProcessSizeArguments(&maxx,&maxy,&bpp,&argc,argv);
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server = rfbGetScreen (&argc, argv, maxx, maxy, 8, 3, bpp);
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server->desktopName = "Zippy das wundersquirrel\'s VNC server";
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server->frameBuffer = (char*)malloc(maxx*maxy*bpp);
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server->rfbAlwaysShared = TRUE;
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server->kbdAddEvent = on_key_press;
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server->ptrAddEvent = on_mouse_event;
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rfbInitServer (server);
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blank_framebuffer(server->frameBuffer, 0, 0, maxx, maxy);
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rfbRunEventLoop (server, -1, FALSE);
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free(server->frameBuffer);
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rfbScreenCleanup (server);
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return 0;
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}
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void blank_framebuffer(char* frame_buffer, int x1, int y1, int x2, int y2)
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{
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int i;
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for (i=0; i < maxx * maxy * bpp; i++) frame_buffer[i]=(char) 0;
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}
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void draw_primary_colors (char* frame_buffer, int x1, int y1, int x2, int y2)
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{
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int i, j, current_pixel;
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for (i=y1; i < y2; i++){
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for (j=x1; j < x2; j++) {
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current_pixel = (i*x2 + j) * bpp;
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if (i < y2 ) {
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frame_buffer[current_pixel+0] = (char) 128;
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frame_buffer[current_pixel+1] = (char) 0;
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frame_buffer[current_pixel+2] = (char) 0;
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}
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if (i < y2/3*2) {
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frame_buffer[current_pixel+0] = (char) 0;
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frame_buffer[current_pixel+1] = (char) 128;
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frame_buffer[current_pixel+2] = (char) 0;
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}
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if (i < y2/3) {
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frame_buffer[current_pixel+0] = (char) 0;
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frame_buffer[current_pixel+1] = (char) 0;
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frame_buffer[current_pixel+2] = (char) 128;
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}
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}
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}
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}
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/* Dscho's versions (slower, but works for bpp != 3 or 4) */
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void draw_primary_colours_generic(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2)
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{
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rfbPixelFormat f=s->rfbServerFormat;
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int i,j;
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for(j=y1;j<y2;j++)
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for(i=x1;i<x2;i++)
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if(j<y1*2/3+y2/3)
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rfbDrawPixel(s,i,j,f.redMax<<f.redShift);
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else if(j<y1/3+y2*2/3)
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rfbDrawPixel(s,i,j,f.greenMax<<f.greenShift);
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else
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rfbDrawPixel(s,i,j,f.blueMax<<f.blueShift);
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}
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void draw_primary_colours_generic_fast(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2)
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{
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rfbPixelFormat f=s->rfbServerFormat;
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int i,j,y3=(y1*2+y2)/3,y4=(y1+y2*2)/3;
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/* draw first pixel */
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rfbDrawPixel(s,x1,y1,f.redMax<<f.redShift);
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rfbDrawPixel(s,x1,y3,f.greenMax<<f.greenShift);
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rfbDrawPixel(s,x1,y4,f.blueMax<<f.blueShift);
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/* then copy stripes */
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for(j=0;j<y2-y4;j++)
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for(i=x1;i<x2;i++) {
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#define ADDR(x,y) s->frameBuffer+(x)*bpp+(y)*s->paddedWidthInBytes
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memcpy(ADDR(i,j+y1),ADDR(x1,y1),bpp);
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memcpy(ADDR(i,j+y3),ADDR(x1,y3),bpp);
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memcpy(ADDR(i,j+y4),ADDR(x1,y4),bpp);
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}
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}
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void draw_primary_colours_generic_ultrafast(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2)
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{
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rfbPixelFormat f=s->rfbServerFormat;
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int i,j,y3=(y1*2+y2)/3,y4=(y1+y2*2)/3;
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/* fill rectangles */
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rfbFillRect(s,x1,y1,x2,y3,f.redMax<<f.redShift);
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rfbFillRect(s,x1,y3,x2,y4,f.greenMax<<f.greenShift);
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rfbFillRect(s,x1,y4,x2,y2,f.blueMax<<f.blueShift);
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}
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void linecount (char* frame_buffer)
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{
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int i,j,k, current_pixel;
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for (i=maxy-4; i>maxy-20; i-=4)
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for (j=0; j<4; j++) for (k=0; k < maxx; k++) {
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current_pixel = (i*j*maxx + k) * bpp;
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if (i%2 == 0) {
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frame_buffer[current_pixel+0] = (char) 0;
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frame_buffer[current_pixel+1] = (char) 0;
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frame_buffer[current_pixel+2] = (char) 128;
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}
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if (i%2 == 1) {
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frame_buffer[current_pixel+0] = (char) 128;
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frame_buffer[current_pixel+1] = (char) 0;
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frame_buffer[current_pixel+2] = (char) 0;
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}
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}
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}
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void on_key_press (Bool down,KeySym key,rfbClientPtr cl)
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{
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if (down) //or else the action occurs on both the press and depress
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switch (key) {
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case XK_b:
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case XK_B:
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rfbUndrawCursor(cl->screen);
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blank_framebuffer(cl->screen->frameBuffer, 0, 0, maxx, maxy);
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rfbDrawString(cl->screen,&radonFont,20,maxy-20,"Hello, World!",0xffffff);
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rfbMarkRectAsModified(cl->screen,0, 0,maxx,maxy);
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fprintf (stderr, "Framebuffer blanked\n");
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break;
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case XK_p:
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case XK_P:
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rfbUndrawCursor(cl->screen);
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/* draw_primary_colors (cl->screen->frameBuffer, 0, 0, maxx, maxy); */
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draw_primary_colours_generic_ultrafast (cl->screen, 0, 0, maxx, maxy);
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rfbMarkRectAsModified(cl->screen,0, 0,maxx,maxy);
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fprintf (stderr, "Primary colors displayed\n");
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break;
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case XK_Q:
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case XK_q:
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fprintf (stderr, "Exiting now\n");
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exit(0);
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case XK_C:
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case XK_c:
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rfbUndrawCursor(cl->screen);
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rfbDrawString(cl->screen,&radonFont,20,100,"Hello, World!",0xffffff);
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rfbMarkRectAsModified(cl->screen,0, 0,maxx,maxy);
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break;
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default:
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fprintf (stderr, "The %c key was pressed\n", (char) key);
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}
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}
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void on_mouse_event (int buttonMask,int x,int y,rfbClientPtr cl)
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{
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printf("buttonMask: %i\n"
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"x: %i\n" "y: %i\n", buttonMask, x, y);
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}
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